NATURAL HISTORY · CATALOGUE RECORD
Four-Eyed Turtle
Sacalia quadriocellata (Siebenrock, 1903)
Source-backed taxonomic record
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Spécimen femelle adulte.
François Charles · CC BY-SA 3.0 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
The four-eyed turtle (Sacalia quadriocellata) is a reptile of the order Testudines. Its name refers to two bright yellow or green spots that occur on the back of its head that can look like another pair of eyes.
Wikipedia contributors, Four-eyed turtle; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T05:54:47.452876+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Sacalia quadriocellata (Siebenrock, 1903)
- Name authority
- (Siebenrock, 1903)
- Common name
- Four-Eyed Turtle
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Testudines
- Family
- Geoemydidae
- Genus
- Sacalia
- Extinction status
- Not supplied by this source
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classReptilia Laurenti, 1768
- orderTestudines Batsch, 1788
- suborderCryptodira
- superfamilyTestudinoidea
- familyGeoemydidae
- genusSacalia
- speciesSacalia quadriocellata (Siebenrock, 1903)
Close classified relatives
These entries share the source’s genus, Sacalia. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Beal’s Four-Eyed turtleSacalia bealei (Gray, 1831) | GeoemydidaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Clemmys beali insulensis Adler, 1962 Adler, 1962 | synonym |
| Clemmys bealii var. quadriocellata Siebenrock, 1903 Siebenrock, 1903 | synonym |
| Sacalia pseudocellata Iverson & Mccord, 1992 Iverson & Mccord, 1992 | ambiguous synonym |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://reptile-database.reptarium.cz/species?genus=Sacalia&species=quadriocellata Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:4TVYB. Classification follows source parent identifiers. English common names may vary by region.